import axios from 'axios'
import { Message } from 'element-ui'
import router from '@/router'
import store from '@/store'
import { getToken } from '@/utils/auth'
import qs from 'qs'
// create an axios instance
const service = axios.create({
  // baseURL: process.env.VUE_APP_BASE_API, // url = base url + request url
  baseURL: '/api',
  validateStatus: function (status) {
    return status >= 200 && status < 500 // default
  },
  // withCredentials: true, // send cookies when cross-domain requests
  timeout: 100000 // request timeout
})

// request interceptor
service.interceptors.request.use(
  config => {
    // do something before request is sent

    if (store.getters.token) {
      // let each request carry token
      // ['X-Token'] is a custom headers key
      // please modify it according to the actual situation
      config.headers.Authorization = `Bearer ${getToken()}`
    }
    if (config.method === 'get') {
      if (config.data) {
        config.url = config.url + '?' + qs.stringify(config.data)
      }
    }
    return config
  },
  error => {
    // do something with request error
    console.log(error) // for debug
    return Promise.reject(error)
  }
)

// response interceptor
service.interceptors.response.use(
  /**
   * If you want to get http information such as headers or status
   * Please return  response => response
  */

  /**
   * Determine the request status by custom code
   * Here is just an example
   * You can also judge the status by HTTP Status Code
   */
  response => {
    const res = response.data
    if (response.status === 401) {
      if (!store.getters.token) {
        router.push('/login')
      } else {
        store.dispatch('user/getToken').then(() => {
          location.reload()
        })
      }
    }
    // if the custom code is not 20000, it is judged as an error.
    // if (res.status !== 0) {
    //   Message({
    //     message: res.msg || 'Error',
    //     type: 'error',
    //     duration: 5 * 1000
    //   })
    //
    //   // 50008: Illegal token; 50012: Other clients logged in; 50014: Token expired;
    //   if (res.status === -3 || res.code === '-3' || res.code === 50014) {
    //     // to re-login
    //     // MessageBox.confirm('You have been logged out, you can cancel to stay on this page, or log in again', 'Confirm logout', {
    //     //   confirmButtonText: 'Re-Login',
    //     //   cancelButtonText: 'Cancel',
    //     //   type: 'warning'
    //     // }).then(() => {
    //     // })
    //     setTimeout(() => {
    //       store.dispatch('dict/resetDict')
    //       store.dispatch('user/resetToken').then(() => {
    //         location.reload()
    //       })
    //     }, 1000)
    //   }
    //   return Promise.reject(new Error(res.message || 'Error'))
    // } else {
    // }
    return res
  },
  error => {
    if (error.response.data.errors.length) {
      for (const item in Object.values(error.response.data.errors)) {
        Message({
          message: item,
          type: 'error',
          duration: 5 * 1000
        })
      }
    }
    console.log('err' + error) // for debug
    // Message({
    //   message: error.message,
    //   type: 'error',
    //   duration: 5 * 1000
    // })
    return Promise.reject(error)
  }
)

export default service
